121 lines
3.7 KiB
Rust
121 lines
3.7 KiB
Rust
use super::installation::{npm_install_packages, npm_package_latest_version};
|
|
use anyhow::{anyhow, Context, Result};
|
|
use client::http::HttpClient;
|
|
use futures::{future::BoxFuture, FutureExt, StreamExt};
|
|
use language::{LanguageServerName, LspAdapter};
|
|
use serde_json::json;
|
|
use smol::fs;
|
|
use std::{
|
|
any::Any,
|
|
path::{Path, PathBuf},
|
|
sync::Arc,
|
|
};
|
|
use util::{ResultExt, TryFutureExt};
|
|
|
|
pub struct JsonLspAdapter;
|
|
|
|
impl JsonLspAdapter {
|
|
const BIN_PATH: &'static str =
|
|
"node_modules/vscode-json-languageserver/bin/vscode-json-languageserver";
|
|
}
|
|
|
|
impl LspAdapter for JsonLspAdapter {
|
|
fn name(&self) -> LanguageServerName {
|
|
LanguageServerName("vscode-json-languageserver".into())
|
|
}
|
|
|
|
fn server_args(&self) -> &[&str] {
|
|
&["--stdio"]
|
|
}
|
|
|
|
fn fetch_latest_server_version(
|
|
&self,
|
|
_: Arc<dyn HttpClient>,
|
|
) -> BoxFuture<'static, Result<Box<dyn 'static + Any + Send>>> {
|
|
async move {
|
|
Ok(Box::new(npm_package_latest_version("vscode-json-languageserver").await?) as Box<_>)
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn fetch_server_binary(
|
|
&self,
|
|
version: Box<dyn 'static + Send + Any>,
|
|
_: Arc<dyn HttpClient>,
|
|
container_dir: Arc<Path>,
|
|
) -> BoxFuture<'static, Result<PathBuf>> {
|
|
let version = version.downcast::<String>().unwrap();
|
|
async move {
|
|
let version_dir = container_dir.join(version.as_str());
|
|
fs::create_dir_all(&version_dir)
|
|
.await
|
|
.context("failed to create version directory")?;
|
|
let binary_path = version_dir.join(Self::BIN_PATH);
|
|
|
|
if fs::metadata(&binary_path).await.is_err() {
|
|
npm_install_packages(
|
|
[("vscode-json-languageserver", version.as_str())],
|
|
&version_dir,
|
|
)
|
|
.await?;
|
|
|
|
if let Some(mut entries) = fs::read_dir(&container_dir).await.log_err() {
|
|
while let Some(entry) = entries.next().await {
|
|
if let Some(entry) = entry.log_err() {
|
|
let entry_path = entry.path();
|
|
if entry_path.as_path() != version_dir {
|
|
fs::remove_dir_all(&entry_path).await.log_err();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Ok(binary_path)
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn cached_server_binary(
|
|
&self,
|
|
container_dir: Arc<Path>,
|
|
) -> BoxFuture<'static, Option<PathBuf>> {
|
|
async move {
|
|
let mut last_version_dir = None;
|
|
let mut entries = fs::read_dir(&container_dir).await?;
|
|
while let Some(entry) = entries.next().await {
|
|
let entry = entry?;
|
|
if entry.file_type().await?.is_dir() {
|
|
last_version_dir = Some(entry.path());
|
|
}
|
|
}
|
|
let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
|
|
let bin_path = last_version_dir.join(Self::BIN_PATH);
|
|
if bin_path.exists() {
|
|
Ok(bin_path)
|
|
} else {
|
|
Err(anyhow!(
|
|
"missing executable in directory {:?}",
|
|
last_version_dir
|
|
))
|
|
}
|
|
}
|
|
.log_err()
|
|
.boxed()
|
|
}
|
|
|
|
fn initialization_options(&self) -> Option<serde_json::Value> {
|
|
Some(json!({
|
|
"provideFormatter": true
|
|
}))
|
|
}
|
|
|
|
fn id_for_language(&self, name: &str) -> Option<String> {
|
|
if name == "JSON" {
|
|
Some("jsonc".into())
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|